Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of the display screen or portion thereof with icon shown in FIG. 1.

The dot dash line in the figures represents a boundary line and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 